CN108647472A - A kind of emulation mode and analogue system of tramcar mode of priority - Google Patents
A kind of emulation mode and analogue system of tramcar mode of priority Download PDFInfo
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- CN108647472A CN108647472A CN201810539971.1A CN201810539971A CN108647472A CN 108647472 A CN108647472 A CN 108647472A CN 201810539971 A CN201810539971 A CN 201810539971A CN 108647472 A CN108647472 A CN 108647472A
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Abstract
The present invention provides a kind of emulation modes of tramcar mode of priority, include the following steps：Obtain the road model of the operating line of tramcar；According to the road model, the line map consistent with the surface conditions of the operating line is drawn out；Obtain the operating parameter of tramcar；Obtain the relevant parameter of the operating line；Upper simulation run of the tramcar in the operating line is carried out according to the tramcar operating parameter, the relevant parameter of the operating line, and in conjunction with mode of priority；Preserve the emulation data generated during the simulation run；Judge whether to receive halt signal, if it is, pause emulation, simulation report made of output summarizes according to the emulation data and road traffic parameter, if it is not, then continuing to emulate.After the present invention is emulated by the parameter to tramcar and operating line, rational crossing priority mode is obtained, technical support is provided for the construction of tramcar.
Description
Technical field
The invention belongs to tramcar technical fields, and in particular to the emulation mode of a kind of tramcar mode of priority and imitative
True system.
Technical background
Tramcar is as a kind of free of contamination environmentally friendly vehicles, and in major rapid urban, but tramcar is transported
Row has the disadvantages that：One, intersection is shared with public transport, two, be easy to be interfered by extraneous factor in operational process.In order to
Speed and efficiency of operation of the tramcar by crossing are improved, it is excellent to be all made of crossing for most domestic street railway at present
First mode due to the not no accurate measuring and calculating of early period and is analyzed, after line clear, much realizes the preferential road of tramcar
Mouthful, the service level and the public vehicles traffic capacity of road where there is street railway decline, and cause crossing traffic congestion；
If cancelling tramcar crossing priority, then the efficiency of operation and service level of electric car will be influenced.Therefore, how rail is balanced
The traffic capacity of electric car and public vehicles crossing farthest improves tramcar in the operational efficiency at crossing, is rail electricity
The research emphasis that vehicle is paid close attention to always.So in engineering construction period, to crossing along circuit after increasing tramcar crossing
The traffic capacity and Assessment of Serviceability of Roads should be calculated and be analyzed, by phase to the crossing, electric car by the speed at crossing,
The vehicle flowrates of public vehicles, number of track-lines, override requests opportunity etc. carry out analog simulation, obtain rational crossing priority mode,
Technical support is provided for the construction of tramcar.
Invention content
It is an object of the present invention to provide a kind of emulation modes and analogue system of tramcar mode of priority, to rail
The road traffic parameter of electric car operating line, signal lamp lighting time parameter, pavement flow of the people parameter, tramcar station
Parameter, the operating parameter of tramcar and mode of priority carry out simulation run, to reflect the mode of priority of tramcar to fortune
Seeking the traffic operation of circuit influences, and so as to adjust the operating parameter of tramcar, technical support is provided for the construction of tramcar.
In order to achieve the above object, the present invention uses following technical scheme：
A kind of emulation mode of tramcar mode of priority, includes the following steps：
Obtain the road model of the operating line of tramcar；
According to the road model, the line map consistent with the surface conditions of the operating line is drawn out；
Obtain the operating parameter of tramcar；
Obtain the road traffic parameter, signal lamp lighting time parameter, pavement flow of the people parameter of the operating line
And tramcar station parameter；
According to the tramcar operating parameter, the road traffic parameter, the signal lamp lighting time parameter, institute
Pavement flow of the people parameter and tramcar station parameter are stated, and the tramcar is carried out in the operation in conjunction with mode of priority
The upper simulation run of circuit, to reflect that the mode of priority of the tramcar influences the traffic operation of the operating line；
Preserve the emulation data generated during the simulation run；
Judge whether to receive halt signal, if it is, pause emulation, exports according to the emulation data and terrain vehicle
Simulation report made of flow parameter summarizes, if it is not, then continuing to emulate.
Further, the simulation run uses intelligent transportation phase algorithm；The speed of the simulation run can with one times,
Twice, four times, octuple, 16 times or three twelvefolds speed carry out simulation run.
Further, the emulation data include：Public vehicles overstock data and tramcar overstocks data.
Further, the mode of priority includes：
Unconditional mode of priority, when tramcar is close to the crossing, open greensignal light makes tramcar according to institute
The speed of setting passes through the crossing；
Mode of priority of having ready conditions, according to present road situation, makes tramcar pass through when tramcar is close to the crossing
Crossing.
Further, the mode of priority of having ready conditions includes：
Green light extension system, the current phase that runs is green light phase, if the remaining time of green light cannot be guaranteed train according to
When normal speed passes through crossing, extend the green time of this phase, but no more than maximum green time, to ensure train
Safety crossing；
Green light shifts to an earlier date mode, and train reaches crossing, and train phase is next phase of current green light phase, if green light
Run time is not above minimum green time, then when green light remaining time being modified as minimum green time and currently run
Between difference；If green light run time alreadys exceed minimum green time, the remaining time of green light is revised as vehicle and is passed through
The average time at crossing；It is not made an amendment if green light remaining time is less than the time that will be changed；
Phase inserted mode is inserted into the minimum passing time of each phase and between the normal termination time train phase
Position, the phase return to former phase after having executed, executed according to former phase sequence.
Further, the road model includes：Tramcar station model, crossing model, track model, signal lamp mould
Type and pavement model.
Tramcar station model includes：This train is bound for XXX described in station name and station；
The crossing model includes：Crossing title and crossing type；
The track model includes：Track quantity and lane length；
The signal model includes：Signal lamp title and signal lamp type.
The pavement model includes：Pavement title and pavement type.
Further, the tramcar operating parameter includes：Tramcar Vehicle length, tramcar straight trip speed,
Tramcar bend speed, tramcar away from crossing distance, triggering crossing priority time, unconditional preferential answering time and have item
Part precession time.
Further, the road traffic parameter includes：The current vehicle flowrate parameter of road straight trip, the current vehicle of road left-hand rotation
Flow parameter and the current vehicle flowrate parameter of road right-hand rotation；
The signal lamp lighting time parameter includes：Signal lamp is when often red time, signal lamp evergreen time, red light are lighted
Between, green light lighting time and amber light lighting time.
Tramcar station parameter includes：Tramcar dwell time and post distance are associated with crossing distance；
The pavement flow of the people parameter includes：The time interval and pavement pedestrian's flow of walk.
A kind of analogue system of tramcar mode of priority, including：
Circuit acquisition module, the road model of the operating line for obtaining tramcar；
Line map drafting module, for according to the road model, drawing out and the surface conditions of the operating line one
The line map of cause；
Tramcar operating parameter acquisition module, the operating parameter for obtaining tramcar；
Operating line parameter acquisition module, for obtaining the road traffic parameter of the operating line, signal lamp is lighted
Time parameter, pavement flow of the people parameter and tramcar station parameter；
Simulation run module, for according to the tramcar operating parameter, the road traffic parameter, the signal
Lamp lighting time parameter, the pavement flow of the people parameter and tramcar station parameter, and in conjunction with described in mode of priority progress
Tramcar the operating line upper simulation run, to reflect the mode of priority of the tramcar to the operating line
Traffic operation influence；
Memory module, for preserving the emulation data generated during the simulation run；
Judgment module receives halt signal for judging whether, if it is, pause emulation, output is according to described imitative
Simulation report made of true data and road traffic parameter summarize, if it is not, then continuing to emulate；
Further, intelligent transportation phase calculation unit, for using intelligent transportation phase calculation to simulation run；
Accelerator module is emulated, for the speed to simulation run with one times, twice, four times, eight times, 16 times or 32
Speed again carries out simulation run.
Compared with prior art, the invention has the advantages that：A kind of tramcar provided by the invention is preferentially square
The emulation mode and analogue system of formula, can not only be to interchange of position, tramcar running interval, the tramcar speed of tramcar
Degree, tramcar phase time, tramcar mode of priority are emulated, moreover it is possible to road where circuit passed through to tramcar
Public vehicles, pedestrian's parameter emulate, after emulation, rational crossing priority mode is obtained, to crossing along circuit
The traffic capacity at crossing and Assessment of Serviceability of Roads are calculated and are analyzed after increase tramcar, are provided for the construction of tramcar
Technical support.
Description of the drawings
Fig. 1 is the flow chart of the emulation mode of tramcar mode of priority of the present invention；
Fig. 2 is the composed structure schematic diagram of the analogue system of tramcar mode of priority of the present invention.
Specific implementation mode
In conjunction with attached drawing, the invention will be further described with specific embodiment, it should be understood that described herein preferred
Embodiment is only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
As shown in Figure 1, the emulation mode of tramcar mode of priority of the present invention, includes the following steps：
S101：Obtain the road model of the operating line of tramcar；
Wherein, road model includes：Tramcar station model, crossing model, track model, signal model and people's row
Road model.
More specifically, tramcar station model includes：This train is bound for XXX described in station name and station；
Crossing model includes：Crossing title and crossing type；
Track model includes：Track quantity and lane length；
Signal model includes：Signal lamp title and signal lamp type；
Pavement model includes：Pavement title and pavement type.
S102：According to the road model, the line map consistent with the surface conditions of the operating line is drawn out；Circuit
Figure can both show the block mold of the operating line of tramcar, can also individually show tramcar station model, crossing
Model, track model, signal model or pavement model, to facilitate the detail section for checking modules.
S103：Obtain the operating parameter of tramcar；
Specifically, tramcar operating parameter includes：Tramcar Vehicle length, tramcar straight trip speed, rail electricity
Vehicle bend speed, tramcar away from crossing distance, triggering crossing priority time, unconditional preferential answering time and are had ready conditions preferential
Time.There are one default numbers for each parameter, and when not inputting the parameter, then default number is the numerical value of the parameter, each
A parameter all there are one numerical value is overflowed, when input parameter, which is more than, overflows numerical value, then requires to re-enter numerical value.
S104：Obtain road traffic parameter, signal lamp lighting time parameter, the pavement flow of the people parameter of operating line
And tramcar station parameter；There are one default numbers for each parameter, and when not inputting the parameter, then default number is the ginseng
Several numerical value, each parameter when input parameter, which is more than, overflows numerical value, then require to re-enter number there are one numerical value is overflowed
Value.
S105：According to tramcar operating parameter, road traffic parameter, signal lamp lighting time parameter, pavement people
Flow parameter and tramcar station parameter, and carry out tramcar in conjunction with mode of priority and transported in the upper emulation of the operating line
Row, to reflect that the mode of priority of the tramcar influences the traffic operation of the operating line.
Wherein, when simulation run uses intelligent transportation phase algorithm, i.e. normal operation, when no tramcar is close,
Crossing traffic signal is in normal phasetophase cyclic switching.Tramcar dedicated phase is not involved in phase loop.It is connect in tramcar
After close, by Phase-switching to tramcar dedicated phase, after tramcar sails out of crossing, phase loop back to normal.
Specifically, mode of priority includes：Unconditional mode of priority, when tramcar is close to the crossing, open green letter
Signal lamp makes tramcar pass through the crossing according to set speed；It has ready conditions mode of priority, when tramcar is close to the crossing
When, according to present road situation, tramcar is made to pass through crossing.
Further, mode of priority of having ready conditions includes：Green light extension system, green light shift to an earlier date mode and phase insertion side
Formula.
Green light extension system, the current phase that runs is green light phase, if the remaining time of green light cannot be guaranteed train according to
When normal speed passes through crossing, extend the green time of this phase, but no more than maximum green time, to ensure train
Safety crossing, green light, which extends strategy, can reduce the delay of train phase, but can influence the operation of other phases and entire
The operation sequential of phase cycling, such as when intersection vehicle flux is larger or when two trains pass in succession through crossing so that certain phases
Vehicle crush it is excessive, cause roadway congestion, instead increase crossing mean delay.
Green light shifts to an earlier date mode, and train reaches crossing, and train phase is next phase of current green light phase, if green light
Run time is not above minimum green time, then when green light remaining time being modified as minimum green time and currently run
Between difference；If green light run time alreadys exceed minimum green time, the remaining time of green light is revised as vehicle and is passed through
The average time at crossing；It is not made an amendment if green light remaining time is less than the time that will be changed.
Phase inserted mode is inserted into the minimum passing time of each phase and between the normal termination time train phase
Position, the phase return to former phase after having executed, executed according to former phase sequence.
S106：Preserve the emulation data generated during simulation run；
Wherein, emulation data include：Public vehicles overstock data and tramcar overstocks data.
S107：Judge whether to receive halt signal, if it is, pause emulation, output is according to emulation data and road
Simulation report made of vehicle flowrate parameter summarizes, if it is not, then continuing to emulate.
On simulation report, it can be seen that under parameters and mode of priority, public vehicles are overstock and rail electricity
The overstocked situation of vehicle, to judge, the case where whether selected mode of priority can generate congestion to operating line, so as to weight
New adjustment tramcar operating parameter and mode of priority.
In conclusion the present invention can emulate the mode of priority of tramcar in conjunction with all kinds of parameters of actual track,
Most suitable mode of priority and tramcar operating parameter are selected, technical support is provided for tramcar construction.
Fig. 2 provides a kind of analogue system of tramcar mode of priority, including：Circuit acquisition module 201, line map are painted
Molding block 202, tramcar operating parameter acquisition module 203, operating line parameter acquisition module 204, simulation run module
205, memory module 206 and judgment module 207, wherein
Circuit acquisition module 201, the road model of the operating line for obtaining tramcar；
Line map drafting module 202, for according to the road model, drawing out the surface conditions with the operating line
Consistent line map；
Tramcar operating parameter acquisition module 203, the operating parameter for obtaining tramcar；
Operating line parameter acquisition module 204, road traffic parameter, signal lamp point for obtaining the operating line
Bright time parameter, pavement flow of the people parameter and tramcar station parameter；
Simulation run module 205, for according to the tramcar operating parameter, the road traffic parameter, described
Signal lamp lighting time parameter, the pavement flow of the people parameter and tramcar station parameter, and mode of priority is combined to carry out
The tramcar the operating line upper simulation run, to reflect the mode of priority of the tramcar to the operation
The traffic operation of circuit influences；
More specifically, simulation run module includes：Intelligent transportation phase calculation unit, for using intelligence to simulation run
Traffic phase calculation；Emulate accelerator module, for the speed of simulation run with one times, twice, four times, it is octuple, 16 times or
The speed of three twelvefolds carries out simulation run.
Memory module 206, for preserving the emulation data generated during the simulation run；
Judgment module 207 receives halt signal for judging whether, if it is, pause emulation, output is according to
Simulation report made of emulation data and road traffic parameter summarize, if it is not, then continuing to emulate.
In conclusion the emulation mode and analogue system of tramcar mode of priority provided by the invention, realize to having
The mode of priority of rail electric car is emulated, and can show that selected mode of priority and tramcar are excellent from simulation report
The case where whether first mode can be to generating congestion to operating line, to readjust tramcar operating parameter and preferential side
Formula, the construction for tramcar early period provide technical support.
Finally it should be noted that：It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, although
With reference to embodiment, invention is explained in detail, for those skilled in the art, still can be to aforementioned
Technical solution recorded in each embodiment is modified or equivalent replacement of some of the technical features, but it is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. a kind of emulation mode of tramcar mode of priority, which is characterized in that include the following steps：
Obtain the road model of the operating line of tramcar；
According to the road model, the line map consistent with the surface conditions of the operating line is drawn out；
Obtain the operating parameter of tramcar；
It obtains the road traffic parameter of the operating line, signal lamp lighting time parameter, pavement flow of the people parameter and has
Rail electric car station parameter；
According to the tramcar operating parameter, the road traffic parameter, the signal lamp lighting time parameter, the people
Trade flow of the people parameter and tramcar station parameter, and the tramcar is carried out in the operating line in conjunction with mode of priority
Upper simulation run, to reflect that the mode of priority of the tramcar influences the traffic operation of the operating line；
Preserve the emulation data generated during the simulation run；
Judge whether to receive halt signal, if it is, pause emulation, exports according to the emulation data and road traffic
Simulation report made of parameter summarizes, if it is not, then continuing to emulate.
2. emulation mode according to claim 1, which is characterized in that the simulation run is calculated using intelligent transportation phase
Method；
The speed of the simulation run can be emulated with the speed of one times, twice, four times, eight times, 16 times or three twelvefolds
Operation.
3. emulation mode according to claim 1, which is characterized in that the emulation data include：Public vehicles backlog
According to and tramcar overstock data.
4. emulation mode according to claim 1, which is characterized in that the mode of priority includes：
Unconditional mode of priority, when tramcar is close to the crossing, open greensignal light makes tramcar according to set
Speed pass through the crossing；
Mode of priority of having ready conditions, according to present road situation, makes tramcar pass through road when tramcar is close to the crossing
Mouthful.
5. emulation mode according to claim 3, it is characterised in that：The mode of priority of having ready conditions includes：
Green light extension system, the current phase that runs is green light phase, if the remaining time of green light cannot be guaranteed train according to normal
Speed when passing through crossing, extend the green time of this phase, but no more than maximum green time, to ensure train safety
Pass through crossing；
Green light shifts to an earlier date mode, and train reaches crossing, and train phase is next phase of current green light phase, if green light is run
Time is not above minimum green time, then green light remaining time is modified as minimum green time and current run time
Difference；If green light run time alreadys exceed minimum green time, the remaining time of green light is revised as vehicle and passes through crossing
Average time；It is not made an amendment if green light remaining time is less than the time that will be changed；
Phase inserted mode is inserted into the minimum passing time of each phase and between the normal termination time train phase,
The phase returns to former phase after having executed, executed according to former phase sequence.
6. emulation mode according to claim 1, which is characterized in that the road model includes：Tramcar station mould
Type, crossing model, track model, signal model and pavement model.
Tramcar station model includes：This train is bound for XXX described in station name and station；
The crossing model includes：Crossing title and crossing type；
The track model includes：Track quantity and lane length；
The signal model includes：Signal lamp title and signal lamp type.
The pavement model includes：Pavement title and pavement type.
7. emulation mode according to claim 1, which is characterized in that the tramcar operating parameter includes：Rail electricity
Vehicle Vehicle length, tramcar straight trip speed, tramcar bend speed, tramcar are away from crossing distance, triggering crossing priority
Time, unconditional preferential answering time and precession time of having ready conditions.
8. emulation mode according to claim 1, which is characterized in that
The road traffic parameter includes：The current vehicle flowrate parameter of road straight trip, the current vehicle flowrate parameter of road left-hand rotation and road
The current vehicle flowrate parameter of road right-hand rotation；
The signal lamp lighting time parameter includes：Signal lamp normal red time, the signal lamp evergreen time, red light lighting time, green
Lamp lighting time and amber light lighting time.
Tramcar station parameter includes：Tramcar dwell time and post distance are associated with crossing distance；
The pavement flow of the people parameter includes：The time interval and pavement pedestrian's flow of walk.
9. a kind of analogue system of tramcar mode of priority, which is characterized in that including：
Circuit acquisition module, the road model of the operating line for obtaining tramcar；
Line map drafting module, for according to the road model, drawing out consistent with the surface conditions of the operating line
Line map；
Tramcar operating parameter acquisition module, the operating parameter for obtaining tramcar；
Operating line parameter acquisition module, road traffic parameter, signal lamp lighting time for obtaining the operating line
Parameter, pavement flow of the people parameter and tramcar station parameter；
Simulation run module, for according to the tramcar operating parameter, the road traffic parameter, signal lamp point
Bright time parameter, the pavement flow of the people parameter and tramcar station parameter, and carry out the rail in conjunction with mode of priority
Electric car the operating line upper simulation run, to reflect friendship of the mode of priority of the tramcar to the operating line
Logical Influence to operation；
Memory module, for preserving the emulation data generated during the simulation run；
Judgment module receives halt signal for judging whether, if it is, pause emulation, exports according to the emulation number
According to and road traffic parameter summarize made of simulation report, if it is not, then continuing to emulate.
10. analogue system according to claim 9, which is characterized in that the simulation run module includes：
Intelligent transportation phase calculation unit, for using intelligent transportation phase calculation to simulation run；
Emulate accelerator module, for the speed of simulation run with one times, twice, four times, it is octuple, 16 times or three twelvefolds
Speed carries out simulation run.
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| CN111619624A (en) * | 2020-06-01 | 2020-09-04 | 北京全路通信信号研究设计院集团有限公司 | Tramcar operation control method and system based on deep reinforcement learning |
| CN111619624B (en) * | 2020-06-01 | 2022-06-21 | 北京全路通信信号研究设计院集团有限公司 | Tramcar operation control method and system based on deep reinforcement learning |
| CN113870566A (en) * | 2021-11-10 | 2021-12-31 | 通号万全信号设备有限公司 | Method and device for passing through intersection without stopping train |
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| CN108647472B (en) | 2022-05-17 |
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